Make Firefox your default browser on Windows

1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button and select Settings.
2. In the General panel, you will find the default browser setting in the Startup section at the top of the page.

   

3. Click the Make Default… button.
   Firefox will try to do everything in the background to change your Windows configuration.

   Note: If Firefox is already your default browser, the Make Default… button will be missing and it will say that Firefox is currently your default browser.

4. Firefox will now show that it is your default browser.

   

If Firefox did not manage to change your default browser configuration, it will open the Windows Settings app, with the Default apps panel already open.

To manually change your default Web browser to Firefox:

1. Scroll down to the Web browser section and click on the browser that is currently listed.

   

2. In the Choose an app panel, click on Firefox to set it as the default browser.

   

3. On the Web browser section you will see that Windows 10 has Firefox set as the default browser.

   

1. Click Settings in the Windows taskbar.
2. Click Apps from the options to the left.
3. Click Default apps.
4. All file types that you can open with your default browser will appear under Set default file types or link types.
5. You'll need to change the defalut browser you want to use to open every file type and set it to Firefox.